ASROCK B550D4-4L User Manual

26 27
English
System Fan Connectors
(6-pin FAN1)
(see p.6, No. 3)
(6-pin FAN2)
(see p.6, No. 9)
(6-pin FAN3)
(see p.6, No. 14)
(6-pin FAN4)
(see p.6, No. 18)
(6-pin FAN5)
(see p.6, No. 15)
(6-pin FAN6)
(see p.6, No. 17)
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
65 4321
SENSOR
NC
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
12 3456
SENSOR
NC
Please connect fan cables to the
fan connectors and match the
black wire to the ground pin.
All fans support Fan Control.
ATX Power Connector
(24-pin ATXPWR1)
(see p.6, No. 5)
3V 3V
GND GND
5V 5V
GND
PWROK_PS
5VSB
12V 12V
3V
121
13
24
3V -12V GND PSON# GND GND GND 5V 5V 5V GND N/A
is motherboard provides a
24-pin ATX power connector.
To use a 20-pin ATX power
supply, please plug it along Pin
1 and Pin 13.
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.6, No. 8)
(4-pin ATX12V2)
(see p.6, No. 16)
4
8
1
5
12V
GND
1
2
3
4
GND
12V
is motherboard provides
one 8-pin and one 4-pin ATX
12V power connectors.
TPM Header
(17-pin TPM1)
(see p.6, No. 27)
1
GN
D
SMB_DATA_MAIN
LAD2
LAD1
GND
S_PWRDWN#
SERIRQ#
GN
D
PCICL
K
PCIRST#
LAD3
+3V
LAD0
+3VSB
GND
LFRAME#
SMB_CLK_MAIN
is connector supports
Trusted Platform Module
(TPM) system, which can
securely store keys, digital
certicates, passwords, and
data. A TPM system also helps
enhance network security,
protects digital identities, and
ensures platform integrity.

ASROCK B550D4-4L Specifications

General

Brand	ASROCK
Model	B550D4-4L
Category	Motherboard
Language	English